package com.mmall.common;

import com.google.common.cache.CacheBuilder;
import com.google.common.cache.CacheLoader;
import com.google.common.cache.LoadingCache;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;

/**
 * Created by pussycat on 2018/6/27.
 */
public class TokenCache {
    private static Logger logger = LoggerFactory.getLogger(TokenCache.class);

    public static final String TOKEN_PREFIX = "token_";

    private static LoadingCache<Object, Object> localCache = CacheBuilder.newBuilder().initialCapacity(1000).maximumSize(10000).expireAfterAccess(12, TimeUnit.HOURS)
            .build(new CacheLoader<Object, Object>() {
                @Override
                public Object load(Object o) throws Exception {
                    return "null";
                }
            });

    public static void setKey(String key, String value){
        localCache.put(key, value);
    }
    public static String getKey(String key){
        String value = null;
        try {
            value = (String) localCache.get(key);
            if ("null".equals(value)){
                return null;
            }
            return value;
        } catch (Exception e) {
            logger.error("localcache get error", e);
        }
        return null;
    }
}
